The 39-year-old UNICEF ambassador is fronting a campaign for countries including Sierra Leone – one of the word affected by the virus – educating people on how to protect themselves.
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In the additional clip, to be broadcast around the world, retired footballer David appeals for donations to UNICEF to aid the battle against Ebola in West Africa.
"Right now in West Africa, Ebola threatens the lives of millions of people," David said.
"As a father I can't imagine what it must feel like seeing your child suffer and feeling so helpless.
"But there's something that you can do. UNICEF is on the ground, working around the clock, to protect children and families from this deadly virus.
"Please give UNICEF the help it needs to tackle this crisis. We're in a race against time."
In 2008 dad-of-four David visited Sierra Leone with UNICEF, as they focused their attention on its high infant morality rate, the highest in the world at the time.